CN102057239B - Method for manufacturing a cement clinker, and cement clinker manufacturing facility - Google Patents
Method for manufacturing a cement clinker, and cement clinker manufacturing facility Download PDFInfo
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- CN102057239B CN102057239B CN2009801205684A CN200980120568A CN102057239B CN 102057239 B CN102057239 B CN 102057239B CN 2009801205684 A CN2009801205684 A CN 2009801205684A CN 200980120568 A CN200980120568 A CN 200980120568A CN 102057239 B CN102057239 B CN 102057239B
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- interchanger
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/2016—Arrangements of preheating devices for the charge
- F27B7/2025—Arrangements of preheating devices for the charge consisting of a single string of cyclones
- F27B7/2033—Arrangements of preheating devices for the charge consisting of a single string of cyclones with means for precalcining the raw material
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B7/00—Hydraulic cements
- C04B7/36—Manufacture of hydraulic cements in general
- C04B7/43—Heat treatment, e.g. precalcining, burning, melting; Cooling
- C04B7/47—Cooling ; Waste heat management
- C04B7/475—Cooling ; Waste heat management using the waste heat, e.g. of the cooled clinker, in an other way than by simple heat exchange in the cement production line, e.g. for generating steam
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
- Y02P40/121—Energy efficiency measures, e.g. improving or optimising the production methods
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- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ceramic Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Furnace Details (AREA)
- Air Supply (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The invention relates to a method for manufacturing a cement clinker in a facility including: - a rotary furnace (1), - a cyclone preheater (2) receiving the fumes from said rotary furnace; - an air blowing clinker cooler (4), and at least one heat exchanger (9), referred to as a first heat exchanger. According to the method of the invention: - the raw materials are preheated and decarbonated in said cyclone preheater (2); - the clinker, coming out of the furnace, is cooled in said clinker cooler (4); a first portion (5) of the hot air generated by said clinker cooler, or so-called secondary air, is directed to the rotary furnace (1) to be used as combustion air; a second portion (6) of the hot air generated in said clinker cooler, or so-called tertiary air, is directed and carried separately from the first portion to a place in the facility where fuel is burned; and a third portion (7) of hot air generated in said clinker cooler, or so-called excess air, is carried into at least said first heat exchanger (9) for the purpose of recovering power to produce electricity. According to the invention, a second heat exchanger (10) coacts with the tertiary air (6) in order to heat a receiving fluid from a fluid circuit (12) common to said first heat exchanger (9) and said second heat exchanger (10). The invention also relates to such a cement clinker manufacturing facility.
Description
Technical field
The present invention relates to manufacture the method for clinker in equipment, and for so manufacturing the equipment of clinker.
Background technology
The method of roasting of what is called " dry combustion method " is used in the manufacture of clinker usually, and in this method, the raw material ground is in advance calcined in revolving burner.In order to reduce the energy requirement of operation, add interchanger at the upstream and downstream of revolving burner, it directly reclaims and is included in material and the heat from the cigarette of stove output.Like this, from the temperature of the product of stove output, surpass 1000 ℃, and from these interchangers, export, the temperature for the thermal current (air or cigarette) of baking operation only is not less than 350 ℃ usually.Yet these gases also comprise a certain amount of heat, it can account for 20 to 30% of the energy in fuel form introducing equipment.
Hot gas is generally used for the drying of raw material, and wherein said raw material is for the manufacture of grog.Yet, except in the situation that very high very rare of the humidity of material only needs the part of heat for drying process.Therefore the part of using that do not have of hot gas has formed available energy.
Therefore, the heat that reclaims loss is known for the purpose of generating electricity, and applies in a lot of factories.The most frequently used method is, hot gas is guided into to the interchanger consisted of pipe, and water flows in described pipe, and heat is converted to water for driving the steam under pressure of wind generator turbines.Consider the moderate temperature of the gas in interchanger, the gross efficiency that power conversion is electric energy is little.
In order to improve the performance of interchanger, known use for example pentane is carried out place of water.Although this improvement is arranged, efficiency still is no more than 17%, and this is significantly less than traditional thermal power station.
Therefore, for modification and recovery efficiency significantly, the method for known a kind of what is called " waste-heat power generation ", the method additionally provides by means of fuel the operating temperature that raises.Therefore, for example, not only increased the amount of the energy reclaimed, but also improved conversion efficiency by means of the rising of temperature.
Because most cement equipment is used for example solid fuel of coal, petroleum coke, therefore large combustion volume need to be arranged, to guarantee the optimal combustion of surplus fuel, thus need promising this purpose determine size, enough large combustion chambers.The use of this combustion chamber in addition need to be from wherein discharging ashes, and have the shortcoming that produces more NOx gas.
By for example document EP-0.492.133 and the known such cement equipment of CN 1601214, in these equipment, reclaim burning capacity with for generating.
By the method for the known a kind of Exhaust Gas for the boiler that reclaims the electric power generating means of document EP-0.045.811, wherein said electric power generating means is used combustible material, as fuel oil.The document relates more specifically to the processing to Exhaust Gas, and this is processed at the preheating section of the equipment for the manufacture of clinker and realizes.
The hot-air produced by the clinker cooler of equipment is transported to described boiler by pipeline, to be used as burning gases.Combustible material, especially with the form of coal dust, be introduced in the pipeline near the zone entrance of boiler.
Summary of the invention
The object of the invention is to, by proposing a kind of method of manufacturing clinker in equipment, and for so manufacturing the equipment of clinker, make up above-mentioned defect, wherein said method and apparatus allows the efficiency of coming energization to reclaim by minimizing the necessary fuel intake of waste-heat power generation.
Other purposes and advantage have been described in the description only schematically and without limitation provided hereinafter.
At first the present invention relates to a kind of method of manufacturing clinker in equipment, and wherein said equipment comprises:
-revolving burner;
-cyclone preheater, it receives the cigarette of described revolving burner;
-clinker cooler, it is positioned at the exit of described revolving burner, and in this cooler, grog comes cooling by blow air, the Heat of Formation air;
-at least one is called the interchanger of the first interchanger,
In described method:
-by the raw material preheating, and in described cyclone preheater by its carbon dioxide removal;
-the grog that will export from stove is cooling in described clinker cooler;
-hot-air, the first that be called auxiliary air that will produce in described clinker cooler guides revolving burner into, with as combustion air;
-the guiding hot-air, the second portion limited and be called tertiary air by the temperature that at least equals 750 ℃ that in described clinker cooler, produce, and itself and first are transported to dividually to the place of the fuel combustion of equipment, to be used as combustion air;
-hot-air, the third part that be called excess air that will produce in described clinker cooler guides and is transported at least one first interchanger, to recover energy, for generating.
According to the present invention, be provided with the second interchanger, it cooperates with tertiary air, to heat the reception fluid of the shared fluid circuit of described the first interchanger and described the second interchanger, wherein said the second interchanger extracts the energy of tertiary air, reduce the temperature of tertiary air from upstream to the downstream of described the second interchanger, tertiary air is used as combustion air in the downstream of described the second interchanger.
According to an embodiment variant, the described fluid of fluid circuit is the water that is steam or liquid form, and the first interchanger is steam generator, and described the second interchanger is steam superheater.
The invention still further relates to a kind of equipment for the manufacture of clinker, it comprises:
-revolving burner;
-cyclone preheater, it receives the cigarette of described revolving burner;
-clinker cooler, it is arranged on the exit of described revolving burner, and in this cooler, grog comes cooling by blow air, the Heat of Formation air, the hot-air, the first that be called auxiliary air that by described clinker cooler, are so produced are used as combustion air by stove;
-pipeline, hot-air, the second portion that be called tertiary air that it will be produced by described clinker cooler is transported to the combustion zone of described equipment;
-pipeline, its hot-air, third part that be called excess air that will be produced by described clinker cooler is transported to the interchanger that is called the first interchanger of generator.
According to equipment according to the invention, carry the pipeline of tertiary air to cooperate with the upstream of the second interchanger in described combustion zone, fluid circuit is shared by described the first interchanger and described the second interchanger.
The accompanying drawing explanation
After reading following the description with reference to accompanying drawing, the present invention will be better understood.In these accompanying drawings:
The schematic diagram that Fig. 1 is the method according to this invention of implementing in the equipment for the manufacture of clinker according to an embodiment;
Fig. 2 is the schematic diagram according to second embodiment the method according to this invention in the equipment for the manufacture of clinker;
Fig. 3 is the schematic diagram according to the 3rd embodiment the method according to this invention in the equipment for the manufacture of clinker;
Fig. 4 is the detail view that shows the first and second interchangers and their shared fluid circuits.
The specific embodiment
The present invention relates to a kind of method of manufacturing clinker in equipment, wherein said equipment comprises:
-revolving burner 1;
-preheater 2, it receives the cigarette of described revolving burner;
-clinker cooler 4, it is positioned at the exit of described revolving burner 1, and in this cooler, grog is by blow air and cooling, Heat of Formation air;
-at least one is called the interchanger 9 of the first interchanger;
And in described method:
-by the raw material preheating, and in described cyclone preheater 2 by its carbon dioxide removal;
-cooling the grog from stove output in described clinker cooler 4;
The 5(of the first of-hot-air that will produce in described clinker cooler is called auxiliary air) guide revolving burner into, with as combustion air;
The second portion 6(of the hot-air that produces in described clinker cooler of-guiding is limited by the temperature that at least equals 750 ℃ and is called tertiary air), and the place of fuel combustion that itself and first is transported to dividually to equipment is to be used as combustion air;
The third part 7(of-hot-air that will produce in described clinker cooler is called excess air) guide and be transported at least one first interchanger 9, to recover energy, for generating.
According to especially in the modification of the embodiment shown in Fig. 1 and Fig. 2, and, as known in the prior art, temperature is greater than or at least equals the described tertiary air 6 of 750 ℃ and is transported to the one or more precalcining reactors 3 that are connected with the bottom of described cyclone preheater 2 by pipeline 60 especially.Each is furnished with one or more burners these pre-calcined burners.
According to the present invention, the second interchanger 10 is set, it cooperates with tertiary air 6, to heat the reception fluid of the shared fluid circuit 12 of described the first interchanger 9 and described the second interchanger 10.
The present invention is based on, by being approximately in temperature beyond the first interchanger 9 on route 250 ℃ to 300 ℃, that be placed in excess air 7, also in equipment, add the second interchanger 10 that will work under high temperature (especially in the temperature higher than 750 ℃), and improved the efficiency that energy reclaims.
This second interchanger 10 extracts the energy of tertiary air 6, so the ratio of therefore losing its tertiary air quality with the characteristic that does not make these its burning gases of air loss reduces the temperature of this air, wherein said tertiary air or be directed to the burner (as Fig. 1 or Fig. 2) of pre-calcined burner 3, or be directed to the burner (as Fig. 3) of stove 1.Like this, can be approximately 100 ℃ to 150 ℃ from the temperature loss of swimming over to downstream of described the second interchanger 10.Temperature at the combustion air (being tertiary air 6) in the second interchanger 10 downstreams, can at least equal 650 ℃.
According to an embodiment, the fluid of fluid circuit 12 is the water that is steam or liquid form, and the first interchanger 9 is steam generator, and the second interchanger 10 is steam superheater.
In particular with reference to the example of Fig. 4, the fluid of fluid circuit 12, especially with the form of high steam, allow to drive turbine 20 and alternating current generator thereof.For example, excess air 7 has the temperature that is approximately 250 ℃, and through being the first interchanger 9 of steam generator.The steam that produced thus continues mobile in loop, until the second interchanger 10, wherein said the second interchanger is steam superheater, and its tertiary air 6 that for example in the upstream of superheater, is had the temperature of 750 ℃ passes.In the downstream of superheater, water vapour for example, in high pressure (350 bar), and permission drives turbine and alternating current generator thereof.In the downstream of turbine and in the upstream of steam generator, condenser 30 allows to reduce pressure.
According to an embodiment, the 3rd interchanger 11 is set, to recover energy, and carry at least in part the cigarette 8 of discharging from cyclone preheater, so that it cooperates with described the 3rd interchanger 11.
Especially, according to an embodiment, the cigarette 8 of cyclone preheater cooperates with the 3rd interchanger 11, to add the fluid of thermal fluid loop.This fluid circuit can and described the first interchanger 9 and described the second interchanger 10 between shared fluid circuit 12 be share or do not share.
With reference to Fig. 3, according to another embodiment of described method, the combined upstream by the cigarette 8 of the surplus heat air of clinker cooler 47 and cyclone preheater 2 at described the first interchanger 9, thus allow to provide more substantial heat energy to this interchanger.
Possibly, especially in the situation that the raw material humidity, at cigarette 8, with before the excess air 7 of cooler mixes, at least can partly use the cigarette 8 of cyclone preheater 2, the raw material for the production of grog with drying in unit 14.
The invention still further relates to a kind of equipment for the manufacture of clinker, it comprises:
-revolving burner 1;
-cyclone preheater 2, it receives the cigarette of described revolving burner;
-clinker cooler 4, it is arranged on the exit of described revolving burner 1, and in this cooler, grog is by blow air and cooling, the Heat of Formation air, the 5(of first of the hot-air so produced by clinker cooler 4 is called auxiliary air) be used as combustion air by described stove;
- pipeline 60,60
1, 60
2, the second portion 6(of the hot-air that it will be produced by described clinker cooler is called tertiary air) and be transported to the combustion zone of equipment;
-pipeline 70, the third part 7(of the hot-air that it will be produced by described clinker cooler 4 is called excess air) be transported to the interchanger that is called the first interchanger 9 of generator.
Especially as depicted in figs. 1 and 2, the pipeline 70 that is called the tertiary air pipeline is transported to this air the one or more precalcining reactors 3 that are connected with the bottom of described cyclone preheater, and each is furnished with one or more burners wherein said precalcining reactor.
According to another embodiment shown in Figure 3, the pipeline 60 of tertiary air is transported to this air the burner of revolving burner 1.
According to equipment according to the invention, carry the pipeline 60 of tertiary air 6
1, 60
2With the second interchanger 10, cooperate, fluid circuit 12 is that described the first interchanger 9 and described the second interchanger 10 share.This equipment allows to implement the method according to this invention especially.
According to an embodiment of described equipment, the first interchanger 9 is steam generator, and the second interchanger 10 is steam superheater, and it can allow to produce high-pressure water vapor as shown in the example according to Fig. 4, in order to actuating turbine 20 and alternating current generator thereof.
As shown in the example according to Fig. 1, described equipment can have the 3rd interchanger 11.At least a portion of the cigarette 8 of exporting from preheater 2 cooperates with described the 3rd interchanger 11, to recover energy.According to an alternative, fluid circuit is through the 3rd interchanger 11.This fluid circuit can and described the first interchanger 9 and described the second interchanger 10 between shared fluid circuit 12 be share or do not share.
According to the example of Fig. 2, for pipeline 80 and the pipeline of excess air 7 of the cigarette of discharging cyclone preheater, in the upstream of the first interchanger 9, join.Possibly, should can with the unit 14 for dried feed, cooperate in the upstream of the intersection of the described pipeline 70 with excess air 7 for the pipeline 80 of the cigarette 8 of discharging cyclone preheater 2.
Four device examples are described now.The equipment that the first device examples is prior art.Example 2,3 and 4 is the different modification according to the equipment for the manufacture of grog of the present invention.
Example 1(prior art):
The equipment of considering, as be known in the art, for the medium scale or a large amount of grog production units that have the production capacity of unit now of representative, produce 5000 tons of grogs its every day.3000 kilojoules that every kilogram of grog consumption of this device fabrication provides with the fuel form, wherein 62.8% fuel is introduced at pre-calcined burner place.Like this, the power that the fuel in pre-calcined burner produces is 108.8 megawatts.
Clinker cooler especially produces: 117000Nm
3Tertiary airs/h, 890 ℃, it supplies with the burning of precalcining reactor; 210000Nm
3Discharge air/h, 245 ℃.The flow of the cigarette of cyclone preheater is 286200Nm
3/ h, temperature is 320 ℃.
Be positioned at interchanger on the route of discharge air of cooler the temperature of gas is reduced to 135 ℃ from 245 ℃, and exchange the power of 8.6 megawatts.Consider the low temperature that the fluid of interchanger may have, as long as use the fluid that is suitable for this low temperature, the efficiency of electric power conversion just is no more than 15%.Can produce the electric power of 1.29 megawatts like this.
Consider that 50% energy demand of cigarette is for this situation of dried feed.Be positioned on the route of cigarette of preheater and process remaining 50% interchanger the temperature of gas be reduced to 135 ℃ from 320 ℃, and exchange the power of 11.5 megawatts.Consider the moderate temperature that the fluid of interchanger may have, the efficiency of electric power conversion is no more than 15%, maximum like this electric energy that can produce 1.73 megawatts.
The summation of maximum generation is 3.02 megawatts.
Example 2:
Consideration is according to the equipment of example 1 of the present invention, and in this equipment, interchanger is placed on the route of tertiary air, and the temperature of tertiary air is reduced to 700 ℃.The amount that is incorporated into the fuel in the precalcining reactor must increase, and describes hereinafter the new condition of work of this equipment.
The power that fuel in pre-calcined burner produces is 117.8 megawatts.Clinker cooler produces 127900Nm now
3Tertiary airs/h, 860 ℃, and 199200Nm
3Discharge air/h, 235 ℃ (excess air).The flow of the cigarette of cyclone preheater is 300000Nm
3/ h, temperature is 335 ℃.
Be positioned on the route of tertiary air, the tertiary air temperature is reduced to the power that the interchanger (the second interchanger) of 700 ℃ exchanges 8.3 megawatts from 860 ℃.Be positioned at interchanger (the first interchanger) on the route of discharge air (excess air) of cooler the temperature of gas is reduced to 135 ℃ from 235 ℃, and exchange the power of 7.4 megawatts.These two interchangers are connected to and make the second interchanger have the function of fluid preheater.High maximum temperature allows to reach 28% conversion efficiency in general power 15.7 megawatts, i.e. 4.40 megawatts.
With in example 1, provide only on the discharge air stream of cooler, recover energy and compare, output has increased 3.11 megawatts, and the marginal efficiency of the additional energy provided with fuel (i.e. 9 megawatts) reaches 34.5%.
Example 3:
Consideration is according to the equipment of example 2 of the present invention, and in this equipment, 50% of the cigarette of cyclone preheater is used to dried feed.
The plume of preheater is divided into two.Be not used in drying material, 150000Nm
3The shunting of the First of/h is guided through interchanger (the 3rd interchanger), and gas is reduced to 135 ℃ from 335 ℃, exchanges the power of 13.1 megawatts.Two interchangers of described interchanger and other (the first interchanger and the second interchanger) are connected, and therefore have the general power of 28.8 megawatts.Conversion efficiency reaches 28%, produces the electric energy of 8.06 megawatts.
The example 1 that is 3.02 megawatts with recoverable energy is compared, and the marginal efficiency of the additional energy provided with fuel (i.e. 9 megawatts) reaches 56%.This value is suitable with the efficiency of the modern thermal power station used solid fuel.
Example 4:
Consideration is according to the equipment of example 2 of the present invention, and in this equipment, 50% of the cigarette of cyclone preheater is used to dried feed, and produce 105 ℃, 182000Nm
3The flow of/h.
Specifically, the cigarette of preheater all mixes with the discharge air (excess air) of cooler in the downstream of drying unit.Therefore, have 218 ℃, 531200Nm
3The flow of/h.This fluid is guided through interchanger (the first interchanger), and this interchanger is reduced to 135 ℃ by the temperature of gas from 218 ℃, and exchanges 17.5 megawatts.
Described interchanger (the first interchanger) is connected with the interchanger (the second interchanger) of tertiary air, therefore has the general power of 25.8 megawatts.Conversion efficiency reaches 28%, and produces the electric energy of 7.22 megawatts.
The example 1 that is 3.02 megawatts with recoverable energy is compared, and the marginal efficiency of the additional energy provided with fuel (i.e. 9 megawatts) reaches 46.6%.This value is suitable with the efficiency of the modern thermal power station used solid fuel.
Naturally, those skilled in the art can expect other embodiment, and therefore do not exceed by the determined scope of the present invention of claim hereinafter.
Claims (15)
1. a method of manufacturing clinker in equipment, wherein said equipment comprises:
-revolving burner (1);
-cyclone preheater (2), it receives the cigarette of described revolving burner;
-clinker cooler (4), it is positioned at the exit of described revolving burner (1), and in described cooler, grog comes cooling by blow air, the Heat of Formation air;
-at least one is called the interchanger (9) of the first interchanger,
In described method:
-by the raw material preheating, and in described cyclone preheater (2) by its carbon dioxide removal;
-will be cooling described clinker cooler (4) from the grog of described stove output;
The first (5) of-hot-air that will produce in described clinker cooler guides described revolving burner (1) into, and with as combustion air, the first of wherein said hot-air (5) is called again auxiliary air;
The second portion (6) of the hot-air that-guiding produces in described clinker cooler, and itself and described first are transported to dividually to the place of the combustion fuel of described equipment, with as combustion air, the second portion of wherein said hot-air (6) is limited by the temperature that at least equals 750 ℃ and is called tertiary air;
The third part (7) of-hot-air that will produce in described clinker cooler guides and is transported at least described the first interchanger (9), and to recover energy, for generating, the third part of wherein said hot-air (7) is called again excess air,
Described method is characterised in that:
-the second interchanger (10) is set, it cooperates with described tertiary air (6), to heat the reception fluid of the shared fluid circuit (12) of described the first interchanger (9) and described the second interchanger (10), wherein said the second interchanger (10) extracts the energy of described tertiary air, from the temperature that downstream reduces described tertiary air of swimming over to of described the second interchanger (10), described tertiary air is used as combustion air in the downstream of described the second interchanger (10).
2. the method for claim 1, wherein the described fluid of described fluid circuit (12) is the water that is steam or liquid form, and described the first interchanger (9) is steam generator, and described the second interchanger (10) is steam superheater.
3. as the described method of above-mentioned claim 1 or 2, wherein, described equipment comprises the one or more precalcining reactors (3) that are connected with the bottom of described cyclone preheater (2), and each precalcining reactor (3) is furnished with one or more burners; And wherein, described tertiary air (6) is transported to described precalcining reactor.
4. method as claimed in claim 1 or 2, wherein, arrange the 3rd interchanger (11), to recover energy, and carries at least in part from the cigarette (8) of described cyclone preheater (2) output, to cooperate with described the 3rd interchanger (11).
5. method as claimed in claim 4, wherein, the cigarette (8) of described cyclone preheater (2) cooperates with described the 3rd interchanger (11), to add the fluid of thermal fluid loop, wherein said fluid circuit and the described fluid circuit (12) shared between described the first interchanger (9) and described the second interchanger (10) are that share or not shared.
6. method as claimed in claim 1 or 2, wherein, mix the surplus heat air (7) of described clinker cooler (4) in the upstream of described the first interchanger (9) with the cigarette (8) of described cyclone preheater (2).
7. method as claimed in claim 6, wherein, at described cigarette (8) with before the excess air (7) of described cooler mixes, at least in part by the cigarette of described cyclone preheater (2) (8) for (14) dry raw material for the production of grog in unit.
8. method as claimed in claim 1 or 2, wherein, combustion air, i.e. described tertiary air (6), the temperature in described the second interchanger (10) downstream at least equals 650 ℃.
9. the equipment for the manufacture of clinker, it comprises:
-revolving burner (1);
-cyclone preheater (2), it receives the cigarette of described revolving burner;
-clinker cooler (4), it is arranged on the exit of described revolving burner (1), in this cooler, grog comes cooling by blow air, the Heat of Formation air, the first (5) of the hot-air wherein so produced by described clinker cooler (4) is by described stove as combustion air, and the first of wherein said hot-air (5) is called again auxiliary air;
-pipeline (60; 60
160
2), the second portion (6) of the hot-air that it will be produced by described clinker cooler (4) is transported to the combustion zone of described equipment, and the second portion of wherein said hot-air (6) is called again tertiary air;
-pipeline (70), the third part (7) of the hot-air that it will be produced by described clinker cooler (4) is transported to the interchanger that is called the first interchanger (9) of generator, and the third part of wherein said hot-air (7) is called again excess air,
Described equipment is characterised in that, the pipeline (60) of described conveying tertiary air (6) cooperates with the second interchanger (10) in the upstream of described combustion zone, and fluid circuit (12) is that described the first interchanger (9) and described the second interchanger (10) share.
10. equipment as claimed in claim 9, wherein, one or more precalcining reactors (3) are connected with the bottom of described cyclone preheater (2), each precalcining reactor (3) is furnished with one or more burners, and the pipeline of described tertiary air (6) is transported to described precalcining reactor by described tertiary air.
11. equipment as described as claim 9 or 10, wherein, described the first interchanger (9) is steam generator, and described the second interchanger (10) is steam superheater.
12. equipment as described as claim 9 or 10, it has the 3rd interchanger (11), and, in described equipment, at least a portion of the cigarette (8) of exporting from described cyclone preheater (2) cooperates with described the 3rd interchanger (11), to recover energy.
13. equipment as claimed in claim 12, wherein, fluid circuit is through described the 3rd interchanger (11), and described loop and the described fluid circuit (12) shared between described the first interchanger (9) and described the second interchanger (10) are same or different.
14. equipment as described as claim 9 or 10, wherein, join in the upstream of described the first interchanger (9) for pipeline (80) and the pipeline of described excess air (7) of the cigarette (8) of discharging described cyclone preheater (2).
15. equipment as claimed in claim 14, wherein, the described pipeline (80) for the cigarette (8) of discharging described cyclone preheater (2) cooperates with the unit (14) for dried feed in the upstream of the intersection of the pipeline with described excess air (7) (70).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR08/03050 | 2008-06-03 | ||
| FR0803050A FR2931816B1 (en) | 2008-06-03 | 2008-06-03 | CLINKER MANUFACTURING PROCESS AND CEMENT CLINKER MANUFACTURING PLANT |
| PCT/FR2009/000636 WO2009156614A1 (en) | 2008-06-03 | 2009-06-02 | Method for manufacturing a cement clinker, and cement clinker manufacturing facility |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102057239A CN102057239A (en) | 2011-05-11 |
| CN102057239B true CN102057239B (en) | 2013-12-04 |
Family
ID=40210444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009801205684A Active CN102057239B (en) | 2008-06-03 | 2009-06-02 | Method for manufacturing a cement clinker, and cement clinker manufacturing facility |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US8647113B2 (en) |
| EP (1) | EP2281164B1 (en) |
| JP (2) | JP5568552B2 (en) |
| CN (1) | CN102057239B (en) |
| BR (1) | BRPI0913357A2 (en) |
| DK (1) | DK2281164T3 (en) |
| ES (1) | ES2434122T3 (en) |
| FR (1) | FR2931816B1 (en) |
| MA (1) | MA32370B1 (en) |
| MX (1) | MX2010013062A (en) |
| PL (1) | PL2281164T3 (en) |
| RU (1) | RU2502030C2 (en) |
| UA (1) | UA100414C2 (en) |
| WO (1) | WO2009156614A1 (en) |
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| FR2951258B1 (en) | 2009-10-08 | 2012-09-07 | Fives Fcb | PROCESS FOR COOLING SOLID GRANULAR MATERIALS AND CONTINUOUS COOKING PLANT AS SUCH |
| FI126564B (en) | 2011-02-28 | 2017-02-15 | Andritz Oy | Method and apparatus for burning lime slurry |
| DE102011050677B4 (en) * | 2011-05-27 | 2014-08-28 | Südbayerisches Portland-Zementwerk Gebr. Wiesböck & Co. GmbH | Apparatus and process for the production of cement clinker |
| EP2868635B1 (en) | 2013-10-29 | 2016-08-10 | Alite GmbH | Cement clinker cooler and method for cooling cement clinker |
| FR3016433B1 (en) * | 2014-01-16 | 2016-01-22 | Vicat | DEVICE FOR DRIVING AND CONTROLLING A FAN OF A TREATMENT PLANT, AND TREATMENT PLANT COMPRISING SUCH A DRIVING AND CONTROL DEVICE |
| FR3018276B1 (en) * | 2014-03-10 | 2016-03-11 | Fives Fcb | INTERMITTENT LOST HEAT RECOVERY |
| DE102014010044B3 (en) * | 2014-06-27 | 2015-12-24 | Khd Humboldt Wedag Gmbh | Waste heat recovery process in a cement production plant and cement production plant |
| FR3031580B1 (en) | 2015-01-12 | 2016-12-30 | Fives Fcb | PROCESS FOR PRODUCING SINTERED MATERIAL FROM MINERAL RAW MATERIALS |
| DE102016003751B4 (en) * | 2016-03-26 | 2019-09-26 | Khd Humboldt Wedag Gmbh | Plant for the production of cement clinker with occasional flow-through flow calciner |
| KR101869448B1 (en) * | 2016-08-02 | 2018-06-20 | 성신양회 주식회사 | Cement kilns for fluorinated gas treatment and the method using the same |
| CN106839788B (en) * | 2017-01-12 | 2019-06-21 | 中国科学院力学研究所 | A kind of cement clinker production line waste heat comprehensive utilization system |
| FR3075196B1 (en) * | 2017-12-15 | 2019-11-15 | Fives Fcb | CLINKER PRODUCTION PLANT AND METHOD FOR PRODUCING CLINKER IN SUCH A PLANT |
| DE102018206673A1 (en) | 2018-04-30 | 2019-10-31 | Thyssenkrupp Ag | Oxyfuel clinker production with special oxygen supply |
| RU2690553C1 (en) * | 2018-06-29 | 2019-06-04 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Уфимский государственный нефтяной технический университет" | Thermal unit for combined production of cement clinker, sulfur dioxide, heat and electric power |
| EP3594597B1 (en) * | 2018-07-10 | 2022-01-19 | Universität Stuttgart | Method for controlling a sulphur, halogen and/or alkaline circuit and device for producing cement clinkers from a calcined raw meal |
| CN110170239A (en) * | 2019-07-05 | 2019-08-27 | 山东泰溥建材科技有限公司 | A kind of system and method for realizing green denitration using dry technology for production |
| IT202100018554A1 (en) * | 2021-07-14 | 2023-01-14 | Poppi Clementino S P A | Improved Ceramic Implant |
| CN114315191B (en) * | 2021-12-27 | 2022-10-11 | 苏州中材建设有限公司 | Intelligent novel dry cement production line and method thereof |
| JP2023144945A (en) * | 2022-03-28 | 2023-10-11 | 株式会社トクヤマ | Production method of cement clinker |
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2009
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- 2009-06-02 CN CN2009801205684A patent/CN102057239B/en active Active
- 2009-06-02 ES ES09769455T patent/ES2434122T3/en active Active
- 2009-06-02 RU RU2010153610/02A patent/RU2502030C2/en not_active IP Right Cessation
- 2009-06-02 BR BRPI0913357A patent/BRPI0913357A2/en active Search and Examination
- 2009-06-02 MX MX2010013062A patent/MX2010013062A/en active IP Right Grant
- 2009-06-02 DK DK09769455.8T patent/DK2281164T3/en active
- 2009-06-02 WO PCT/FR2009/000636 patent/WO2009156614A1/en active Application Filing
- 2009-06-02 EP EP09769455.8A patent/EP2281164B1/en active Active
- 2009-06-02 UA UAA201014501A patent/UA100414C2/en unknown
- 2009-06-02 PL PL09769455T patent/PL2281164T3/en unknown
- 2009-06-02 JP JP2011512169A patent/JP5568552B2/en not_active Expired - Fee Related
-
2010
- 2010-12-01 MA MA33385A patent/MA32370B1/en unknown
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2014
- 2014-03-18 JP JP2014055070A patent/JP2014148462A/en not_active Withdrawn
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Also Published As
| Publication number | Publication date |
|---|---|
| UA100414C2 (en) | 2012-12-25 |
| EP2281164A1 (en) | 2011-02-09 |
| WO2009156614A1 (en) | 2009-12-30 |
| FR2931816A1 (en) | 2009-12-04 |
| US8647113B2 (en) | 2014-02-11 |
| BRPI0913357A2 (en) | 2016-07-26 |
| RU2010153610A (en) | 2012-07-20 |
| MX2010013062A (en) | 2011-01-21 |
| EP2281164B1 (en) | 2013-09-18 |
| JP5568552B2 (en) | 2014-08-06 |
| JP2011524325A (en) | 2011-09-01 |
| PL2281164T3 (en) | 2014-02-28 |
| MA32370B1 (en) | 2011-06-01 |
| RU2502030C2 (en) | 2013-12-20 |
| DK2281164T3 (en) | 2013-11-11 |
| FR2931816B1 (en) | 2010-06-25 |
| ES2434122T3 (en) | 2013-12-13 |
| CN102057239A (en) | 2011-05-11 |
| US20110061569A1 (en) | 2011-03-17 |
| JP2014148462A (en) | 2014-08-21 |
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